Add documentation for filtered events.

chrome/renderer/resources/extensions/schema_generated_bindings.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This script contains privileged chrome extension related javascript APIs.
 // It is loaded by pages whose URL has the chrome-extension protocol.
 
   // TODO(battre): cleanup the usage of packages everywhere, as described here
   // http://codereview.chromium.org/10392008/diff/38/chrome/renderer/resources/extensions/schema_generated_bindings.js
 
@@ skipping 324 matching lines @@
           }
           if (!isSchemaNodeSupported(eventDef, platform, manifestVersion))
             return;
           if (!isSchemaAccessAllowed(eventDef)) {
             addUnprivilegedAccessGetter(mod, eventDef.name);
             return;
           }
 
           var eventName = apiDef.namespace + "." + eventDef.name;
           var customEvent = customEvents[apiDef.namespace];
+          var options = eventDef.options || {};
+
+          if (eventDef.filters && eventDef.filters.length > 0)
+            options.supportsFilters = true;
+
           if (customEvent) {
             mod[eventDef.name] = new customEvent(
                 eventName, eventDef.parameters, eventDef.extraParameters,
-                eventDef.options);
+                options);
           } else if (eventDef.anonymous) {
             mod[eventDef.name] = new chrome.Event();
           } else {
             mod[eventDef.name] = new chrome.Event(
-                eventName, eventDef.parameters, eventDef.options);
+                eventName, eventDef.parameters, options);
           }
         });
       }
 
       function addProperties(m, parentDef) {
         var properties = parentDef.properties;
         if (!properties)
           return;
 
         utils.forEach(properties, function(propertyName, propertyDef) {
@@ skipping 69 matching lines @@
     // beginInstallWithManifest2.
     // See http://crbug.com/100242
     if (chrome.webstorePrivate) {
       chrome.webstorePrivate.beginInstallWithManifest2 =
           chrome.webstorePrivate.beginInstallWithManifest3;
     }
 
     if (chrome.test)
       chrome.test.getApiDefinitions = GetExtensionAPIDefinition;
   });